12. Upon request of the appointing or nominating officer preference in certification may be given to the wife of the superintendent of an Indian school for filling a vacancy in the position of teacher or matron in said school.
13. Whenever there shall occur a vacancy which the public interest requires shall be immediately filled and which can not be so filled in time to meet the emergency by certification from the eligible registers, such vacancy may, subject to the approval of the Commission, be filled by temporary appointment without examination until a regular appointment can be made. Such temporary appointment shall in no case continue longer than ninety days, and shall expire by limitation at the end of that time. No person shall serve longer than ninety days in any one year under such temporary appointment or appointments, and in any event only until a regular appointment can be made through examination and certification. Said year limitation shall begin to run in the case of any person on the date of his first such appointment: Provided, That whenever an emergency shall arise requiring that a vacant position in any internal-revenue district shall be filled before a certificate can be issued by the Commission and an appointment made thereto in the manner provided in these rules such position may be filled without regard to the provisions of these rules by temporary appointment for a period not to exceed thirty days, and only for such period as may be required for the execution of the necessary details of an appointment thereto in accordance with said provisions; but no person shall receive such temporary appointment who within the ninety days next previous thereto has been separated from a position in said district to which he was temporarily appointed under the provisions of this section.
14. Whenever a temporary appointment shall be made through certification from the eligible registers of the Commission in the manner provided in these rules, such temporary appointment shall in no case continue longer than six months, and shall expire by limitation at the end of that period.
RULE IX.
A vacancy in any position which has been or may hereafter be classified under the civil service act may, upon requisition of the proper officer and the certificate of the Commission, be filled by the reinstatement without examination of any person who within one year next preceding the date of said requisition has through no delinquency or misconduct been separated from a classified position at the date of said requisition and in that Department or office and that branch of the service in which said vacancy exists: Provided, That for original entrance to the position proposed to be filled by reinstatement there is not required by these rules, in the opinion of the Commission, an examination involving essential tests different from or higher than those involved in the examination for original entrance to the position formerly held by the person proposed to be reinstated: And provided further, That, subject to the other conditions of these rules, any person who served in the military or naval service of the United States in the late War of the Rebellion and was honorably discharged therefrom, or the widow of any such person, may be reinstated without regard to the length of time he or she has been separated from the service.
RULE X.
Within that part of the civil service of the United States which has been or may hereafter be classified under the civil-service act transfers shall be governed as follows:
1. A person in any Department or office may be transferred within the same Department or office and the same branch of the service upon any test of fitness, not disapproved by the Commission, which may be determined upon by the appointing officer, subject to the limitations of the provisos of section 2 of this rule.
2. A person who has received absolute appointment may be transferred without examination from any Department, office, or branch of the service upon requisition and consent of the proper officers and the certificate of the Commission: Provided, That no transfer shall be made of a person to a position within the same Department or office and the same branch of the service, or to a position in another Department, office, or branch of the service, if from original entrance to such position said person is barred by the age limitations prescribed therefor or by the provisions regulating apportionment, or if in said position there is not required, in the judgment of the Commission, the performance of the same class of work or the practice of the same mechanical trade performed or practiced in the position from which transfer is proposed: And provided further, That transfer shall not be made without examination, provided by the Commission, to a position for original entrance to which, in the judgment of the Commission, there is required by these rules an examination involving essential tests different from or higher than those involved in the examination required for original entrance to the position from which transfer is proposed; but a person employed in any grade shall not because of such employment be barred from the open competitive examination provided for original entrance to any other grade.
3. Upon requisition of the proper officer and the certificate of the Commission transfer may be made without examination from the office of the President of the United States, after continuous service therein for the two years next preceding the date of said requisition, to any position classified under the civil-service act, if in said position there is required, in the judgment of the Commission, the performance of the same class of work that is required to be performed in the position from which transfer is proposed.